1.   Find the value of c that makes x2 + 16x + c a perfect square.
    A. 8 B. 64
    C. -64 D. 16
    Hint

  2.   Find the value of b that makes x2 + bx + 36 a perfect square.
    A. 324 B. -12, 12
    C. 6 D. 12
    Hint

  3.   Solve x2 - 4x + 1 = 0 by completing the square.
    A. 1, 3 B.
    C. D.
    Hint

  4.   Solve x2 – 8x + 16 = 13 by taking the square root of each side.
    A. 4 B. -4
    C. 2 D. -2
    Hint

  5.   Solve 0.25x2 – 7x – 15 = 0.
    A. {4, 30} B. {3, 15}
    C. {–2, 30} D. {–5, 3}
    Hint



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